help with time format

[Adam Tkac]

Jen mlists napsal(a):
> hello list,
>
> I saw these config lines in a name config-file,
>
> @     1D IN      SOA     foo.com. admin.foo.com.  (
>                                            2007071018 ; Serial
>                                            1H         ; Refresh
>                                            15M        ; Retry
>                                            1W         ; Expire
>                                            1D )       ; Minimum
>
>
> The time format is in upper-case,but from what I saw in the bind
> book,it should be low-case.For example,instead of '1H',it should be
> written as '1h'.
>
> Am I right?thanks
Both formats are allowed

Adam